Tinnitus can be a safety hazard

I have tinnitus. There I have outed myself along with 18% of men and 14% of women, according to a research report* from Hearing Research journal published recently. For those unfamiliar with tinnitus it is a persistent buzzing or ringing in one’s ears usually caused by exposure to loud noise. It is relevant to occupational health and safety (OHS) in a number of ways:

  • It needs to be considered in issues of communication
  • Tinnitus can be distracting
  • Tinnitus may be a symptom of poor noise management practices at work.

Human Ear PainThe research study conducted by David Moore and others was focusing on “lifetime leisure music exposure” so workplace noise is mentioned in the report only in passing.

It is common that unless a worker is deaf or seen signing, the default assumption is that everyone’s hearing is undamaged. The research data above shows that the assumption is false.

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Just workplace hardship

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Yossi Berger writes:

We’re all familiar with the notions of focus and attention, and selective attention.  We’ve all experienced how difficult it can be to attend to target information when background noise is distracting.  The issue can be referred to as the signal-to-noise ratio.

I often find its effects in discussions with managers and workers during workplace inspections.  That is, I hear animated discussions of hazards, of risks, of risk assessments and risk management and various systems and theories.  The conversations over flow with these concepts whilst most of workers’ daily problems aren’t even raised, they don’t reach the level of a signal.

Thankfully in most workplaces, most managers and most workers have not experienced any fatalities.  By far most of them will not have experienced or witnessed a serious injury or serious disease.  Nor have most experienced their local hazards actually seriously hurting anyone.

But most workers will have experienced some dangerous working conditions, mostly not mortally dangerous, but dangerous.  Continue reading “Just workplace hardship”

Volume controls should show decibel levels

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Six months ago Pamela Cowan wrote about iPods and policies.  Whilst driving this afternoon I turned down the volume on my car radio (Question Time in Parliament) and I wondered how much I had reduced the volume.  I could not tell as the radio simply has a scale of numbers.

Such a measurement is common.  We have heard of “cranking the amp up to eleven” but what does eleven mean in terms of decibels and, in the context of this blog, the risk of noise-induced hearing loss?

This is also particularly relevant in the discussion about earphones.  The safety warnings that relate to the potential long term damage are all expressed in exposures in decibels.  Yet the volume controls are shown as numbers, lines or a digital bar.  There is no mention of decibels.

Continue reading “Volume controls should show decibel levels”

Australian Noise report. Is anyone listening?

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Safe Work Australia has released a very important report called “Occupational Noise-Induced Hearing Loss in Australia “.

The report confirms many of the challenges faced by OHS professionals. There is, among others,

  • An over-reliance on Personal Protective Equipment (PPE)
  • Noise is not taken seriously
  • Effective noise control is undervalued
  • Small and medium-sized companies pay less attention to the hazard
  • Noise control is seen as expensive
  • As hearing damage cannot be repaired, it is seen as inevitable

The report provides a detailed profile of NIHL and many will find the report an invaluable to gaining more attention to control measures in workplaces but just as mental health is both an occupational AND public health matter, so noise is affecting our private lives just as much as it is in our work lives.

As with many government safety reports, change is likely to come not from the report itself but how the media, the community and the OHS professions use the information to affect change.

Kevin Jones